By act of the 15th of June 1836 it was admitted into the Union as a slave state.
His attitude towards slavery at the moment was shown by his vote, in January 1820, for a resolution opposing the admission of Missouri as a slave state.
Finally, after President Lincoln's election, he became a Republican, and as such was re-elected in 1862 to the national House of Representatives, in which he at once became one of the most radical and aggressive members, his views commanding especial attention owing to his being one of the few representatives from a slave state.
Though living in a slave state he was consistently opposed to slavery, but he favoured gradual rather than immediate emancipation, and in 1838 he freed his own slaves.
Slaveholders were not footloose; they had all to lose if they should carry their blacks into Kansas and should nevertheless fail to make it a slave-state.